What is it? Objects taller than your drone are painted in red - see sidemap. 3D objects includes everything from trees, antenna, buildings, etc. at centimeter level accuracy. Note the metal spikes coming out of the egg shaped building. Even those are included Currently supported metro areas include SF Bay Area and Tampa Bay (FL). Additional metros coming soon. Frequently Asked Questions This is a beta version and requires a device with at least 2GB RAM How does it know if the objects are taller than your drone? We know your true height above ground and we also have a 3D map of all objects at centimeter level precision so we can determine if your drone is above or below an object. Hivemapper is a free Go app alternative available for Android (link to download). The vast majority of photos and video features available in the Go App are supported in Hivemapper Yes, all the essential status information IMU, Compass, connection strength, etc. iOS is not yet available, if you would like to join the beta program, please sign up. Full disclosure: I work at Hivemapper.